body {
    background-color: #0099CC;
    color: #FFFFFF;
    font-family: Microsoft Yahei, "Helvetica Neue", Helvetica, Hiragino Sans GB, WenQuanYi Micro Hei, sans-serif;
    margin-left: 100px;
}
.face {
    font-size: 100px;
}
p{
    font-size: 24px;
    padding: 8px;
    line-height: 40px;
}
.tips {
    font-size: 16px
}
/*针对小屏幕的优化*/
@media screen and (max-width: 600px) {
    body{
        margin: 0 10px;
    }
    p{
        font-size: 18px;
        line-height: 30px;
    }
    .tips {
        display: inline-block;
        padding-top: 10px;
        font-size: 14px;
        line-height: 20px;
    }
}